return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for C6H4Cl2 (1,4-dichlorobenzene)

using model chemistry: MP3=FULL/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2H 1AG
Energy calculated at MP3=FULL/cc-pVDZ
 hartrees
Energy at 0K-1149.675756
Energy at 298.15K-1149.679964
HF Energy-1148.559457
Nuclear repulsion energy446.659223
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at MP3=FULL/cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Ag 3283 3087 0.00      
2 Ag 1679 1579 0.00      
3 Ag 1202 1130 0.00      
4 Ag 1150 1081 0.00      
5 Ag 769 724 0.00      
6 Ag 336 316 0.00      
7 Au 976 918 0.00      
8 Au 417 392 0.00      
9 B1g 849 799 0.00      
10 B1u 3266 3071 1.24      
11 B1u 1539 1447 99.70      
12 B1u 1140 1072 83.96      
13 B1u 1032 971 42.30      
14 B1u 565 532 24.10      
15 B2g 941 885 0.00      
16 B2g 637 599 0.00      
17 B2g 303 285 0.00      
18 B2u 3282 3086 1.43      
19 B2u 1446 1360 5.55      
20 B2u 1278 1202 0.00      
21 B2u 1127 1060 5.95      
22 B2u 222 208 0.91      
23 B3g 3267 3072 0.00      
24 B3g 1659 1560 0.00      
25 B3g 1319 1240 0.00      
26 B3g 643 604 0.00      
27 B3g 355 334 0.00      
28 B3u 839 789 48.80      
29 B3u 492 462 15.53      
30 B3u 104 98 0.42      

Unscaled Zero Point Vibrational Energy (zpe) 18057.6 cm-1
Scaled (by 0.9403) Zero Point Vibrational Energy (zpe) 16979.5 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at MP3=FULL/cc-pVDZ
ABC
0.18733 0.02201 0.01969

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/cc-pVDZ

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.393
C2 0.000 0.000 -1.393
C3 0.000 1.218 0.701
C4 0.000 -1.218 0.701
C5 0.000 -1.218 -0.701
C6 0.000 1.218 -0.701
Cl7 0.000 0.000 3.140
Cl8 0.000 0.000 -3.140
H9 0.000 2.159 1.252
H10 0.000 -2.159 1.252
H11 0.000 -2.159 -1.252
H12 0.000 2.159 -1.252

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 Cl7 Cl8 H9 H10 H11 H12
C12.78591.40081.40082.42222.42221.74694.53282.16382.16383.41443.4144
C22.78592.42222.42221.40081.40084.53281.74693.41443.41442.16382.1638
C31.40082.42222.43572.81021.40162.72624.02911.09093.42183.90112.1679
C41.40082.42222.43571.40162.81022.72624.02913.42181.09092.16793.9011
C52.42221.40082.81021.40162.43574.02912.72623.90112.16791.09093.4218
C62.42221.40081.40162.81022.43574.02912.72622.16793.90113.42181.0909
Cl71.74694.53282.72622.72624.02914.02916.27982.86822.86824.89404.8940
Cl84.53281.74694.02914.02912.72622.72626.27984.89404.89402.86822.8682
H92.16383.41441.09093.42183.90112.16792.86824.89404.31854.99202.5041
H102.16383.41443.42181.09092.16793.90112.86824.89404.31852.50414.9920
H113.41442.16383.90112.16791.09093.42184.89402.86824.99202.50414.3185
H123.41442.16382.16793.90113.42181.09094.89402.86822.50414.99204.3185

picture of 1,4-dichlorobenzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 C6 119.611 C1 C3 H9 120.036
C1 C4 C5 119.611 C1 C4 H10 120.036
C2 C5 C4 119.611 C2 C5 H11 120.036
C2 C6 C3 119.611 C2 C6 H12 120.036
C3 C1 C4 120.777 C3 C1 Cl7 119.611
C3 C6 H12 120.352 C4 C1 Cl7 119.611
C4 C5 H11 120.352 C5 C2 C6 120.777
C5 C2 Cl8 119.611 C5 C4 H10 120.352
C6 C2 Cl8 119.611 C6 C3 H9 120.352
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability